Caitlin Clarke-Spangler, FNP-C
NPI 1336562891 · Family Nurse Practitioner · Palo Alto, CA
Caitlin Clarke-Spangler, FNP-C is a Family Nurse Practitioner provider in Palo Alto, CA (NPI 1336562891).
Provider details
- NPI number
- 1336562891
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 23370 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-02-03
- Last updated
- 2014-02-03
Frequently asked questions
- What is Caitlin Clarke-Spangler's NPI number?
- Caitlin Clarke-Spangler's National Provider Identifier (NPI) is 1336562891, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caitlin Clarke-Spangler's specialty?
- Caitlin Clarke-Spangler is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Caitlin Clarke-Spangler located?
- Caitlin Clarke-Spangler's practice location on file with NPPES is 270 Grant Ave, Palo Alto, CA 94306-1911.
- What is Caitlin Clarke-Spangler's phone number?
- The practice phone number listed in the NPPES registry for Caitlin Clarke-Spangler is (650) 327-8717.
- Is Caitlin Clarke-Spangler's NPI active?
- Yes — Caitlin Clarke-Spangler's NPI (1336562891) is active in the NPPES registry as of the last update on 2014-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.